The ISL12082 device is a low power real time clock with timing and crystal compensation, clock/calendar, power fail indicator, 2 IRQs, periodic or polled alarm, timer/watchdog, and intelligent battery backup switching.
The oscillator uses an external, low-cost 32.768kHz crystal. The real time clock tracks time with separate registers for hours, minutes, seconds and hundredths of a second. The device has calendar registers for date, month, year and day of the week. The calendar is accurate through 2099, with automatic leap year correction.
Key Features
- Real Time Clock/Calendar
- Tracks Time in Hours, Minutes, Seconds, and Hundredths of a Second
- Day of the Week, Day, Month, and Year
- 4 Selectable Frequency Outputs
- Alarm
- Settable to the Second, Minute, Hour, Day of the Week, Day, or Month
- Single Event or Pulse Interrupt Mode
- Timer
- 4 Selectable Timer Functions
- 4 Selectable Timer Clock Frequencies
- Single Event or Pulse Interrupt Mode
- Automatic Backup to Battery or Supercapacitor
- Power Failure Detection
- Battery ReSeal™
- On-Chip Oscillator Compensation
- I2C Interface
- 400kHz Data Transfer Rate
- 800nA Battery Supply Current
- Small Package Options
- 8 Ld SOIC Package
- 10 Ld MSOP Package
- Pb-Free (RoHS Compliant)
Applications
- Utility Meters
- HVAC Equipment
- Audio/Video Components
- Set-Top Box/Television
- Modems
- Network Routers, Hubs, Switches, Bridges
- Cellular Infrastructure Equipment
- Fixed Broadband Wireless Equipment
- Pagers/PDA
- POS Equipment
- Test Meters/Fixtures
- Office Automation (Copiers, Fax)
- Home Appliances
- Computer Products
Order Information| Part Number | Package Type | Weight(g) | Pins | MSL Rating | Peak Temp (°C) | RoHS Status |
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| ISL12082IB8Z | 8 Ld SOIC | 0.072 | 8 | 1 | 260 | RoHS |
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| ISL12082IB8Z-T | 8 Ld SOIC T+R | 0.072 | 8 | 1 | 260 | RoHS |
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| ISL12082IUZ | 10 Ld MSOP | 0.026 | 10 | 1 | 260 | RoHS |
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| ISL12082IUZ-T | 10 Ld MSOP T+R | 0.026 | 10 | 1 | 260 | RoHS |
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| ISLUSB-RTC-EV1ZMB | | | | N/A | | RoHS |
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